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Blender tutorial: animation

In this new post of the series Blender tutorial I will talk about animations.

In the previous post of the series “Blender tutorial” we talked about camera and rendering options/effects in Blender. In this post we will talk about animation. Let’s start from the timeline. The timeline is usually placed at the bottom of the default layout of Blender. In it you can select a specific frame by clicking on it in the timeline. We also have some controls to start/stop/fast back and forward the animation. There is also the possibility to set a start and end frame of the animation.

blender animation timeline

To create an animation we need first of all to set keyframes. To do this we have to select the frame that we want as keyframe in the timeline, and the go in the space properties panel, change one of the spatial properties we want to animate (location, rotation or scale) and right click on them to show a menu where we can select “Insert keyframes”. After that you will see the value of the property we decided to animate to become yellow (orange in my images below because I have a custom theme).

blender animation set keyframe 1

blender animation set keyframe 2

To make an animation we need at least 2 keyframes. We can set keyframes also by selecting the record button in the timeline. This button will let us set a keyframe for the property we select from the list just near it. The keyframes are shown on the timeline as a yellow line.

blender animation set keyframe 3

After settings the second keyframe we finally have our first animation. In the video below you can see the final result.

In our previous first animation we animated the movement of the object. In Blender we are not limited to location or rotation for animation: we can basically animate any property we want. We can animate color, scale, light camera and so on. Let’s see for example how we can animate the energy property of a light. To do this we basically have to follow the same approach we used for the previous location animation: we modify the energy property and we set a keyframe for each value we want (remember that we need at least two keyframe to have an animation). After that our animation is ready and can be played (remember to switch the 3D window to texture mode if you want to see the animation with execute a complete render).

Sometimes we will need to do to a more precise setup of our animation: change the values between keyframes, change the interpolation method and so on. To do these operation we can use the graph editor. This is a a separate editor that we can open by selecting graph editor from editor selector in an existing panel inside our Blender layout (or in a new panel created ad-hoc). In this new editor we can zoom in/out by using ctrl + mouse movement. On the left you will find all the animation for a specific object selected in the scene. From here we can modify the keyframe curve by selecting it and moving in the position we prefer. We can also modify the interpolation by selecting our animation curve and choosing Key -> Interpolation mode from the menu.

blender animation interpolation mode

The graph editor in not the only animation editor. We can use also the dope sheet. It could be more faster to edit an animation in it instead of the animation editor. In it we don’t have the curve of interpolation of the animation. We just have a representation of the keyframes and we can edit them by dragging after selection with a right click of the mouse.
Last but not least we have animation path. To create an animation path we have to add a path by using the menu Add -> Curve -> Path. Then we need to add a constraint to the object we want to animate so that it will follow the path . After that we can set the keyframes using the same approach showed before.

blender path add curve

blender path set constraint

That’s all for animation. In the next post we will talk about character rigging.

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